THE CONQUEST OF THE AIR II (HEAVIER THAN AIR)Year: 1935Price: £25Number in set: 6JET PROPULSIONYear: 1956Price: £4Number in set: 6WIND FLIGHTYear: 1957Price: £4Number in set: 6MILITARY AIRCRAFTYear: 1961Price: £10Number in set: 6EXPLOITS OF THE BELGIAN AIR FORCEYear: 1962Price: £4.5Number in set: 6EARLY AVIATIONYear: 1968Price: £11.5Number in set: 6MODERN AVIATIONYear: 1969Price: £5Number in set: 6ITALIAN AIR FORCEYear: 1969Price: £7.5Number in set: 6THE FIRST BLACKPOOL FLYING WEEKYear: 1909Price: £70Number in set: 2